Established in May 1984, Siliconware Precision Industries Co., Ltd. has become one of the leading providers of comprehensive semiconductor assembly and test services. SPIL posted annual sales of US$1.92 billion in 2008 an......Established in May 1984, Siliconware Precision Industries Co., Ltd. has become one of the leading providers of comprehensive semiconductor assembly and test services. SPIL posted annual sales of US$1.92 billion in 2008 and currently employs around 16,000 people worldwide. The company is listed on the Taiwan Stock Exchange (TSE : 2325) and NASDAQ National Market under the trading symbol of SPIL.